Home / 9,076.05-13,609.20-3,231.90

Finding the Fourth Proportional to 9,076.05, 13,609.20 and 3,231.90

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Solution

The fourth proportional to 9,076.05, 13,609.20 and 3,231.90 is: 4,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.05 : 13,609.20 = 3,231.90 : x
  2. Step 2: Convert to fraction form
    9,076.05/13,609.20 = 3,231.90/x
  3. Step 3: Cross multiply
    9,076.05x = 13,609.20 × 3,231.90
  4. Step 4: Simplify right side
    9,076.05x = 43,983,573.48
  5. Step 5: Solve for x
    x = 43,983,573.48/9,076.05
  6. Step 6: Final answer
    x = 4,846.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.